“ | On the first of June, around 9:30 p.m. you entered the school pool. Marina was there. You had an increasingly heated argument...until you picked up the trophy, and hit her in the back of the head with it. She didn't die instantly, which means you left her there, bleeding to death. | ” |
— Inspectora, in "Assilah" |
Marina Nunier Osuna's Death is an event that took place prior to the series, and it is the overarching theme of season 1. The investigation into the death continued into Season 2.
History[]

Teo's red watch
When Marina learnt that Nano was in danger if he didn't pay the thugs who protected him in prison, she promised to get him the money. Marina advised Nano to a steal Teo's collection of expensive watches.
Marina and Nano planned to run away with the money from the stolen watches after learning that she was pregnant. In turn, one of the watches contained sensitive information that would incriminate Carla and Marina's fathers of corruption and embezzlement of funds.
At the end of the school party, while alone by the pool, Marina was confronted by Polo, who tried to force her to give him the stolen watch in an attempt to please Carla. When Marina refused and aggravated the situation, Polo grabbed the trophy and struck the back of her head, killing her. Polo recovered the watch. With the help of Carla and, more reluctantly, Christian, Polo managed to hide his involvement in Marina's murder, until Samuel discovered in the truth in Season 2.
People Involved[]
- Polo: Polo is the real culprit in the murder, and kills Marina accidentally in a fit of rage when arguing with her over returning Carla's father's watch — a watch containing incriminating evidence of him and Marina's father.
- Carla: Carla was Polo's accomplice and the second biggest culprit. In an attempt to save her ex-boyfriend, Polo, she tells him to destroy the evidence and helps him clean up the blood, including forcing Christian to give Polo a change of shirt. She eventually crumbles under the pressure and reveals everything to the inspector.
- Christian: Christian is aware of the murder, and Polo's involvement, however does not reveal anything to the police. This is partly due to his love for Carla, but she also manipulates him into keeping it a secret.
- Samuel: Samuel is initially the primary suspect of the murder do to having been previously in a relationship with Marina, but they'd broken up after he learned from Guzmán not only that she cheated on him with his brother Nano but also she got pregnant of him and pretended to run away together. The day of the murder he confronts Marina and they have a heated argument in which Samuel's quite aggresive due to his anger. Later on, he falsely testified that he saw his brother arriving before him to the swimming pool, thus making his brother go wrongfully to jail for the murder but not longer after he regrets and decides to investigate by himself and find out who the culprit is, which leads him to get involved with Carla in order to make her confess the truth, and also fake his death in order to put pressure on Carla so she could confess everything to the inspector.
- Nano: Nano not only got involved with Marina, but also has a criminal background having been already in jail. In the beginning, Nano tried to approach Marina to seduce her so he could get some files that incriminate her and Carla's father, however, he develops feelings for her and engage in an affair with her while she dates his brother Samuel. At some point, Marina gave him the idea to steal Teo's watch collection to pay his debt, unaware that one of the watches contained a USB with information incriminating Ventura and Teo. Seeing an opportunity to pay his debt as well as getting a good amount of money, Nano blackmails Teo into paying him or else he would take the watch and reveal the information to the press which would ruin him as well as Carla's and Marina's family. Once he learns Marina is pregnant with his child, he proposes to run away together with the money Teo would apparently pay him. Their plan is to run away the day of the school party, since it is the only moment Marina and Guzman's parents would not be keeping an eye on her. Right after her argument with Samuel, Nano calls Marina and tells her to wait for him at the pool. However, while she's waiting for him, Polo shows up and demands her to give him the watch, and ultimately hits her with the trophy. When Nano arrives, it's already too late and Marina sucumbs and bleeds out to death in Nano's arms leaving him heartbroken. During the interrogation, Nano is one of the primary suspects, and since Carla —with the help of Christian—, covered up Polo, and Samuel falsely testified against him, Nano is considered the culprit of the murder of Marina and is arrested and sentenced to twenty years of prision.
- Teo: Teo removes Christian from the equation when he tries to confess Polo's guilt to the police. He causes him a fatal accident, forcing him to leave the country to seek medical help.
- Ander: Ander finds out about Polo's involvement and initially wishes to tell Guzmán, but is convinced not to. He keeps it a secret despite it destroying his relationship with Guzmán.
- Cayetana: When Carla reveals everything to the authorities, Cayetana tells Polo that everyone deserves a second chance. She hides the trophy—the murder weapon—in her house in an effort to remove evidence and free Polo; she does itbecause she's in love with him. After Polo dies, she gives the trophy anonymously to the police, thus closing the case of Marina's murder.
- Andrea and Begoña : Polo reveals to his mothers at the dinner table that he murdered Marina and would turned himself in to the police the next day, but dies the same night at the disco. Later, when Cayetana gave the trophy to the police anonymously, his mothers confessed that before their son passed away, he confessed that he had murdered Marina.